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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.309 ·

Runners pass CLAUDE_RUNNER_ALIVE_EVERY_MS and can apply session tokens while running

CLAUDE_RUNNER_ALIVE_EVERY_MS is now passed through, and session and OAuth tokens can be applied while running in a certain mode

Use it now Notable No documentation found New Features
JSON All of v2.1.309
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Self-Hosted RunnersArea: what it touches
New FeaturesKind: in v2.1.309,
What probably matters to youSection of the release

Unclear It is not stated which mode lets tokens be applied while running.

What

Two changes to how Claude Code handles environment variables, the named settings a program reads when it starts:

Why

Token handling in hosted or runner sessions may change, so watch for differences if you set these variables.

Read from
Names in the bundleCLAUDE_RUNNER_ALIVE_EVERY_MS
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not stated which mode lets tokens be applied while running.
The name it cites is new in this buildNew in this build: CLAUDE_RUNNER_ALIVE_EVERY_MS

See this entry in the whole of v2.1.309 →

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